形態特徵

• Rhizome creeping, stout; scales black, lanceolate.
• Stipes 30-50 cm long, stout, grooved, stramineous, dark and scaly at base; lamina ovate, bipinnate, apex pinnatifid; pinnae 15-25 cm long, lanceolate-acuminate, petiolate; pinnules 15-25 mm long, oblong, acute at apex, margins serrate, adnate at base.
• Sori basal or medial on veinlets, linear, curved, in one row on either side of costa.

分布

• 世界 : Vietnam, South China, Japan, the Ryukyus.

引證標本

TAIPEI: Chihsinshan, DeVol & Kao 4486; Kueishan, Kuoh 1570. ILAN: Tuling, Tsai 4476; Kueishanto, Kuo 1560; TAOYUAN: Peichatienshan, Kuo 2678. NANTOU: Chitou, Huang 1162; Lienhuachih, Seki 28. PINGTUNG: Chingshuiyin, Hsu 13292A; Nanjenshan, Shieh & Tsai 6799. TAITUNG: Mt. Tapu, Kao 5941; Kuzulunshan, Kuo 1279.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 442. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)